frameworks/base/services/java/com/android/server/am/BroadcastFilter.java

   1 /*
   2  * Copyright (C) 2006 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.server.am;
  18
  19 import android.content.IntentFilter;
  20 import android.util.PrintWriterPrinter;
  21 import android.util.Printer;
  22
  23 import java.io.PrintWriter;
  24
  25 class BroadcastFilter extends IntentFilter {
  26     // Back-pointer to the list this filter is in.
  27     final ReceiverList receiverList;
  28     final String requiredPermission;
  29
  30     BroadcastFilter(IntentFilter _filter, ReceiverList _receiverList,
  31             String _requiredPermission) {
  32         super(_filter);
  33         receiverList = _receiverList;
  34         requiredPermission = _requiredPermission;
  35     }
  36
  37     public void dump(PrintWriter pw, String prefix) {
  38         dumpInReceiverList(pw, new PrintWriterPrinter(pw), prefix);
  39         receiverList.dumpLocal(pw, prefix);
  40     }
  41
  42     public void dumpBrief(PrintWriter pw, String prefix) {
  43         dumpBroadcastFilterState(pw, prefix);
  44     }
  45
  46     public void dumpInReceiverList(PrintWriter pw, Printer pr, String prefix) {
  47         super.dump(pr, prefix);
  48         dumpBroadcastFilterState(pw, prefix);
  49     }
  50
  51     void dumpBroadcastFilterState(PrintWriter pw, String prefix) {
  52         if (requiredPermission != null) {
  53             pw.print(prefix); pw.print("requiredPermission="); pw.println(requiredPermission);
  54         }
  55     }
  56
  57     public String toString() {
  58         StringBuilder sb = new StringBuilder();
  59         sb.append("BroadcastFilter{");
  60         sb.append(Integer.toHexString(System.identityHashCode(this)));
  61         sb.append(' ');
  62         sb.append(receiverList);
  63         sb.append('}');
  64         return sb.toString();
  65     }
  66 }